package j1_java_basic.J20250525; /** * @author WanJl * @version 1.0 * @title Demo04 * @description 二维数组 * @create 2025/5/25 */ public class Demo04 { public static void main(String[] args) { //动态初始化 //数组类型[][] 数组名=new 数组类型[二维数组的长度][一维数组的长度]; /*int[][] arr=new int[19][19]; for (int i = 0; i < arr.length; i++) { for (int j = 0; j